<template>
  <view class="content">
    <view class="navbar">
      <view
        v-for="(item, index) in navList"
        :key="index"
        class="nav-item"
        :class="{ current: tabCurrentIndex === index }"
        @click="tabClick(index)"
      >
        {{ item.text }}
      </view>
    </view>

    <swiper
      :current="tabCurrentIndex"
      class="swiper-box"
      duration="300"
      @change="changeTab"
    >
      <swiper-item
        class="tab-content"
        v-for="(tabItem, tabIndex) in navList"
        :key="tabIndex"
      >
        <scroll-view
          class="list-scroll-content"
          scroll-y
          @scrolltolower="loadData('add')"
        >
          <!-- 空白页 -->
          <empty v-if="orderList == null || orderList.length === 0"></empty>

          <!-- 订单列表 -->
          <view
            v-for="(item, index) in orderList"
            @click="showOrderDetail(item.id)"
            :key="index"
            class="order-item"
          >
            <view class="i-top b-b">
              <text class="time" @click="showOrderDetail(item.id)">{{
                item.createTime | formatDateTime
              }}</text>
              <text class="state" :style="{ color: '#fa436a' }">{{
                item.status | formatStatus
              }}</text>
              <text
                v-if="item.status === 3 || item.status === 4"
                class="del-btn yticon icon-iconfontshanchu1"
                @click="deleteOrder(item.id)"
              ></text>
            </view>
            <view
              class="goods-box-single"
              v-for="(orderItem, itemIndex) in item.orderItemList"
              :key="itemIndex"
            >
              <image
                class="goods-img"
                :src="orderItem.productPic"
                mode="aspectFill"
              ></image>
              <view class="right">
                <text class="title clamp">{{ orderItem.productName }}</text>
                <text class="attr-box"
                  >{{ orderItem.productAttr | formatProductAttr }} x
                  {{ orderItem.productQuantity }}</text
                >
                <text class="price">{{ orderItem.productPrice }}</text>
              </view>
            </view>

            <view class="price-box">
              共
              <text class="num">{{ calcTotalQuantity(item) }}</text>
              件商品 实付款
              <text class="price">{{ item.payAmount }}</text>
            </view>
            <view class="action-box b-t" v-if="item.status == 0">
              <button class="action-btn" @click.stop="cancelOrder(item.id)">
                取消订单
              </button>
              <button class="action-btn recom" @click.stop="contactFn">
                联系客服
              </button>
              <!-- <button class="action-btn recom"> -->
              <!-- <a
                class="action-btn recom"
                :href="config.weChatCustomerServiceUrl"
                style="
                  text-decoration: none;
                  color: #fa436a;
                  border: 0.5upx solid #fa436a;
                "
                >联系客服</a
              > -->
              <!-- </button> -->
            </view>
            <view class="action-box b-t" v-if="item.status == 2">
              <button class="action-btn">查看物流</button>
              <button class="action-btn recom" @click="receiveOrder(item.id)">
                确认收货
              </button>
            </view>
            <view class="action-box b-t" v-if="item.status == 3">
              <button class="action-btn recom">评价商品</button>
            </view>
          </view>

          <uni-load-more :status="loadingType"></uni-load-more>
        </scroll-view>
      </swiper-item>
    </swiper>
  </view>
</template>

<script>
import config from '../../config/index';
import uniLoadMore from '@/components/uni-load-more/uni-load-more.vue';
import empty from '@/components/empty';
import { formatDate } from '@/utils/date';
import {
  fetchOrderList,
  cancelUserOrder,
  confirmReceiveOrder,
  deleteUserOrder,
} from '@/api/order.js';
export default {
  components: {
    uniLoadMore,
    empty,
  },
  data() {
    return {
      config,
      tabCurrentIndex: 0,
      orderParam: {
        status: -1,
        pageNum: 1,
        pageSize: 5,
      },
      orderList: [],
      loadingType: 'more',
      navList: [
        {
          state: -1,
          text: '全部',
        },
        {
          state: 0,
          text: '待付款',
        },
        {
          state: 2,
          text: '待收货',
        },
        {
          state: 3,
          text: '已完成',
        },
        {
          state: 4,
          text: '已取消',
        },
      ],
    };
  },
  onLoad(options) {
    /**
     * 修复app端点击除全部订单外的按钮进入时不加载数据的问题
     * 替换onLoad下代码即可
     */
    this.tabCurrentIndex = +options.state;
    // #ifndef MP
    this.loadData();
    // #endif
    // #ifdef MP
    if (options.state == 0) {
      this.loadData();
    }
    // #endif
  },
  filters: {
    formatStatus(status) {
      let statusTip = '';
      switch (+status) {
        case 0:
          statusTip = '等待付款';
          break;
        case 1:
          statusTip = '等待发货';
          break;
        case 2:
          statusTip = '等待收货';
          break;
        case 3:
          statusTip = '交易完成';
          break;
        case 4:
          statusTip = '交易关闭';
          break;
      }
      return statusTip;
    },
    formatProductAttr(jsonAttr) {
      let attrArr = JSON.parse(jsonAttr);
      let attrStr = '';
      for (let attr of attrArr) {
        attrStr += attr.key;
        attrStr += ':';
        attrStr += attr.value;
        attrStr += ';';
      }
      return attrStr;
    },
    formatDateTime(time) {
      if (time == null || time === '') {
        return 'N/A';
      }
      let date = new Date(time);
      return formatDate(date, 'yyyy-MM-dd hh:mm:ss');
    },
  },
  methods: {
    contactFn() {
      location.href = this.config.weChatCustomerServiceUrl;
    },
    //获取订单列表
    loadData(type = 'refresh') {
      if (type == 'refresh') {
        this.orderParam.pageNum = 1;
      } else {
        this.orderParam.pageNum++;
      }
      //这里是将订单挂载到tab列表下
      let index = this.tabCurrentIndex;
      let navItem = this.navList[index];
      let state = navItem.state;
      if (this.loadingType === 'loading') {
        //防止重复加载
        return;
      }
      this.orderParam.status = navItem.state;
      this.loadingType = 'loading';
      fetchOrderList(this.orderParam).then((response) => {
        let list = response.data.list;
        if (type == 'refresh') {
          this.orderList = list;
          this.loadingType = 'more';
        } else {
          if (list != null && list.length > 0) {
            this.orderList = this.orderList.concat(list);
            this.loadingType = 'more';
          } else {
            this.orderParam.pageNum--;
            this.loadingType = 'noMore';
          }
        }
      });
    },
    //swiper 切换
    changeTab(e) {
      this.tabCurrentIndex = e.target.current;
      this.loadData();
    },
    //顶部tab点击
    tabClick(index) {
      this.tabCurrentIndex = index;
    },
    //删除订单
    deleteOrder(orderId) {
      let superThis = this;
      uni.showModal({
        title: '提示',
        content: '是否要删除该订单？',
        success: function (res) {
          if (res.confirm) {
            uni.showLoading({
              title: '请稍后',
            });
            deleteUserOrder({ orderId: orderId }).then((response) => {
              uni.hideLoading();
              superThis.loadData();
            });
          } else if (res.cancel) {
            console.log('用户点击取消');
          }
        },
      });
    },
    //取消订单
    cancelOrder(orderId) {
      let superThis = this;
      uni.showModal({
        title: '提示',
        content: '是否要取消该订单？',
        success: function (res) {
          if (res.confirm) {
            uni.showLoading({
              title: '请稍后',
            });
            cancelUserOrder({ orderId: orderId }).then((response) => {
              uni.hideLoading();
              superThis.loadData();
            });
          } else if (res.cancel) {
            console.log('用户点击取消');
          }
        },
      });
    },
    //支付订单
    payOrder(orderId) {
      uni.redirectTo({
        url: `/pages/money/pay?orderId=${orderId}`,
      });
    },
    //确认收货
    receiveOrder(orderId) {
      let superThis = this;
      uni.showModal({
        title: '提示',
        content: '是否要确认收货？',
        success: function (res) {
          if (res.confirm) {
            uni.showLoading({
              title: '请稍后',
            });
            confirmReceiveOrder({ orderId: orderId }).then((response) => {
              uni.hideLoading();
              superThis.loadData();
            });
          } else if (res.cancel) {
            console.log('用户点击取消');
          }
        },
      });
    },
    //查看订单详情
    showOrderDetail(orderId) {
      uni.navigateTo({
        url: `/pages/order/orderDetail?orderId=${orderId}`,
      });
    },
    //计算商品总数量
    calcTotalQuantity(order) {
      let totalQuantity = 0;
      if (order.orderItemList != null && order.orderItemList.length > 0) {
        for (let item of order.orderItemList) {
          totalQuantity += item.productQuantity;
        }
      }
      return totalQuantity;
    },
  },
};
</script>

<style lang="scss">
page,
.content {
  background: $page-color-base;
  height: 100%;
}

.swiper-box {
  height: calc(100% - 40px);
}

.list-scroll-content {
  height: 100%;
}

.navbar {
  display: flex;
  height: 40px;
  padding: 0 5px;
  background: #fff;
  box-shadow: 0 1px 5px rgba(0, 0, 0, 0.06);
  position: relative;
  z-index: 10;

  .nav-item {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    font-size: 15px;
    color: $font-color-dark;
    position: relative;

    &.current {
      color: $base-color;

      &:after {
        content: '';
        position: absolute;
        left: 50%;
        bottom: 0;
        transform: translateX(-50%);
        width: 44px;
        height: 0;
        border-bottom: 2px solid $base-color;
      }
    }
  }
}

.uni-swiper-item {
  height: auto;
}

.order-item {
  display: flex;
  flex-direction: column;
  padding-left: 30upx;
  background: #fff;
  margin-top: 16upx;

  .i-top {
    display: flex;
    align-items: center;
    height: 80upx;
    padding-right: 30upx;
    font-size: $font-base;
    color: $font-color-dark;
    position: relative;

    .time {
      flex: 1;
    }

    .state {
      color: $base-color;
    }

    .del-btn {
      padding: 10upx 0 10upx 36upx;
      font-size: $font-lg;
      color: $font-color-light;
      position: relative;

      &:after {
        content: '';
        width: 0;
        height: 30upx;
        border-left: 1px solid $border-color-dark;
        position: absolute;
        left: 20upx;
        top: 50%;
        transform: translateY(-50%);
      }
    }
  }

  /* 多条商品 */
  .goods-box {
    height: 160upx;
    padding: 20upx 0;
    white-space: nowrap;

    .goods-item {
      width: 120upx;
      height: 120upx;
      display: inline-block;
      margin-right: 24upx;
    }

    .goods-img {
      display: block;
      width: 100%;
      height: 100%;
    }
  }

  /* 单条商品 */
  .goods-box-single {
    display: flex;
    padding: 20upx 0;

    .goods-img {
      display: block;
      width: 120upx;
      height: 120upx;
    }

    .right {
      flex: 1;
      display: flex;
      flex-direction: column;
      padding: 0 30upx 0 24upx;
      overflow: hidden;

      .title {
        font-size: $font-base + 2upx;
        color: $font-color-dark;
        line-height: 1;
      }

      .attr-box {
        font-size: $font-sm + 2upx;
        color: $font-color-light;
        padding: 10upx 12upx;
      }

      .price {
        font-size: $font-base + 2upx;
        color: $font-color-dark;

        &:before {
          content: '￥';
          font-size: $font-sm;
          margin: 0 2upx 0 8upx;
        }
      }
    }
  }

  .price-box {
    display: flex;
    justify-content: flex-end;
    align-items: baseline;
    padding: 20upx 30upx;
    font-size: $font-sm + 2upx;
    color: $font-color-light;

    .num {
      margin: 0 8upx;
      color: $font-color-dark;
    }

    .price {
      font-size: $font-lg;
      color: $font-color-dark;

      &:before {
        content: '￥';
        font-size: $font-sm;
        margin: 0 2upx 0 8upx;
      }
    }
  }

  .action-box {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    height: 100upx;
    position: relative;
    padding-right: 30upx;
  }

  .action-btn {
    width: 160upx;
    height: 60upx;
    margin: 0;
    margin-left: 24upx;
    padding: 0;
    text-align: center;
    line-height: 60upx;
    font-size: $font-sm + 2upx;
    color: $font-color-dark;
    background: #fff;
    border-radius: 100px;

    &:after {
      border-radius: 100px;
    }

    &.recom {
      background: #fff9f9;
      color: $base-color;

      &:after {
        border-color: #f7bcc8;
      }
    }
  }
}

/* load-more */
.uni-load-more {
  display: flex;
  flex-direction: row;
  height: 80upx;
  align-items: center;
  justify-content: center;
}

.uni-load-more__text {
  font-size: 28upx;
  color: #999;
}

.uni-load-more__img {
  height: 24px;
  width: 24px;
  margin-right: 10px;
}

.uni-load-more__img > view {
  position: absolute;
}

.uni-load-more__img > view view {
  width: 6px;
  height: 2px;
  border-top-left-radius: 1px;
  border-bottom-left-radius: 1px;
  background: #999;
  position: absolute;
  opacity: 0.2;
  transform-origin: 50%;
  animation: load 1.56s ease infinite;
}

.uni-load-more__img > view view:nth-child(1) {
  transform: rotate(90deg);
  top: 2px;
  left: 9px;
}

.uni-load-more__img > view view:nth-child(2) {
  transform: rotate(180deg);
  top: 11px;
  right: 0;
}

.uni-load-more__img > view view:nth-child(3) {
  transform: rotate(270deg);
  bottom: 2px;
  left: 9px;
}

.uni-load-more__img > view view:nth-child(4) {
  top: 11px;
  left: 0;
}

.load1,
.load2,
.load3 {
  height: 24px;
  width: 24px;
}

.load2 {
  transform: rotate(30deg);
}

.load3 {
  transform: rotate(60deg);
}

.load1 view:nth-child(1) {
  animation-delay: 0s;
}

.load2 view:nth-child(1) {
  animation-delay: 0.13s;
}

.load3 view:nth-child(1) {
  animation-delay: 0.26s;
}

.load1 view:nth-child(2) {
  animation-delay: 0.39s;
}

.load2 view:nth-child(2) {
  animation-delay: 0.52s;
}

.load3 view:nth-child(2) {
  animation-delay: 0.65s;
}

.load1 view:nth-child(3) {
  animation-delay: 0.78s;
}

.load2 view:nth-child(3) {
  animation-delay: 0.91s;
}

.load3 view:nth-child(3) {
  animation-delay: 1.04s;
}

.load1 view:nth-child(4) {
  animation-delay: 1.17s;
}

.load2 view:nth-child(4) {
  animation-delay: 1.3s;
}

.load3 view:nth-child(4) {
  animation-delay: 1.43s;
}

@-webkit-keyframes load {
  0% {
    opacity: 1;
  }

  100% {
    opacity: 0.2;
  }
}
</style>
